[" 23) If "cos2 alpha=(3cos2 beta-1)/(3-cos2 beta)" then "tan alpha" is equal to "],[[" A) "sqrt(2)tan beta," B) "tan beta],[" C) "sin2 beta," D) "sqrt(2)cot beta]]

If cos2alpha=(3cos2beta-1)/(3-cos2beta) , then tan alpha is equal to

cos2alpha=(3cos2beta-1)/(3-cos2beta) , then tan alpha=

If cos alpha=(2cos beta-1)/(2-cos beta) then tan (alpha/2) is equal to

cos 2 alpha =(3 cos 2 beta -1)/( 3-cos 2 beta), then tan alpha=

cos 2 alpha =(3 cos 2 beta -1)/( 3-cos 2 beta), then tan alpha=

If tan(alpha-beta)=(sin 2beta)/(3-cos2beta) , then

If tan (alpha-beta)=(sin 2beta)/(3-cos 2beta) , then

If tan (alpha-beta)=(sin 2beta)/(3-cos 2beta) , then

If alpha and beta are acute angles satisfying cos2 alpha=(3cos2 beta-1)/(3-cos2 beta), then tan alpha=sqrt(2)tan beta (b) (1)/(sqrt(2))tan beta(c)sqrt(2)cot beta(d)(1)/(sqrt(2))cot beta